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问题 单项选择题

以下哪些实验室检查异常为海洋性贫血的特征性变化（）

A.血红蛋白A2或血红蛋白F增多

B.网织红细胞计数减少

C.平均红细胞体积下降

D.血小板减少

E.Bart胎儿水肿综合征

答案

参考答案：A

判断题

不动产物权的设立、变更、转让和消灭，依照法律规定应当登记的，自记载于不动产登记簿时发生效力。（）
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单项选择题

The analysis phase answers the questions of who will use the system，what the system will do，and where and when it will be used．During this phase，the project team investigates any current system，identifies （），and develops a concept for the new system．This phase has three steps：first，（） is developed to guide the project team’s efforts．It usually includes an analysis of the current system and its problems，and the ways to design a new system．The next step is （）．The analysis of this information-in conjunction with input from the project sponsor and many other people-leads to the development of a concept for a new system．The system concept is then used as a basis to develop a set of business analysis models that describes how the business will operate if the new system were developed．The set of models typically includes models that represent the （） necessary to suppor the underlying business process．Last，the analyses，system concepts，and models are combinedin to a document called the （），which is presented to the project sponsor and other key decision makers that decide whether the project should continue to move forward．

first，（） is developed to guide the project team’s efforts．It usually includes an analysis of the current system and its problems，and the ways to design a new system．

A．a user manual

B．an analysis strategy

C．an analysis use case

D．a design user case
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